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Dymax Corporation Application Case Histories

Our Technology. Your Advantage®

Our ability to provide oligomers, formulated products, dispensing and curing equipment, and unmatched technical expertise in light-cure technology allows us to truly collaborate with customers and bring our total process knowledge to their specific application challenge. By providing system solutions where chemistry, material, and equipment work seamlessly together with maximum efficiency, we give your customers a competitive edge they can't get anywhere else.

GenZe

Cinch Gaming

Industrial Electronics Company

Portable Lighting Manufacturer

Electrical Explosion Protection & Sensor Technology

GenZe Electric Transportation Application Case History

GenZe is a leading US-based pioneer in two-wheel electric transportation, with headquarters in Silicon Valley and manufacturing in Ann Arbor, Michigan. As part of the $19 billion Mahindra global network, GenZe has developed leading edge engineering, R&D, and design innovations.

Customer’s Challenge: The Problem

Packaging state-of-the-art electronics with energy-dense Li-Ion battery cells presented some unique challenges and opportunities. Because the battery pack is removable, many design challenges had to be addressed. Weight, performance, and safety were top priorities. GenZe engineers pored over the designs for thousands of hours and those efforts resulted in a safe, aesthetically pleasing, yet extremely complex battery system. The question was, could it be mass-produced, and at the same time be serviceable? The manufacturing engineering team had to develop a process to assemble the system, while ensuring it could be disassembled and resealed reliably, time and time again. Countless trials of different options ranging from solid die cut gaskets to individual O-rings and liquid materials were run. None of the trials proved to be a solution that could provide the necessary sealing performance while being easy to apply.

Our Solution

After visiting the GenZe production floor to assess the process, a Dymax team of marketing, application engineering, and sales personnel suggested a solution - GA-201 – a form-in-place gasket that would satisfy the needs of the application, not only in terms of sealing protection, but also in terms of manufacturability. In addition, this “dispensable” gasketing material demonstrated previously unseen flexibility to the product engineers. This was a breakthrough because the product’s styling and packaging would no longer be limited by its sealing requirements.

The Results

After running months of performance and validation testing, GA-201 proved to be the solution GenZe was searching for. The Dymax team not only brought their materials expertise to the table, they offered process application recommendations and assisted GenZe process engineers with the selection of the proper dispensing and UV curing systems. This shortened the equipment selection process significantly and added much needed confidence in attempting to produce a product that had never been offered before. A complex manufacturing cell, which includes a 6-axis robot complete with precision dispensing equipment and a BlueWave® 200 curing unit, was installed. And in a very short time, battery assemblies that power the GenZe 2.0 scooter were in production and passing the rigorous in-process tests with flying colors.

Cinch Gaming Case History

Cinch Gaming, a national leader in custom professional video game controllers, was looking for a durable solution to provide a rubber grip coating to their ABS plastic controller shells. Cinch controllers are used at all major gaming tournaments and LANs around the world. The controllers are fully customizable and unlike competitive products, feature ergonomically placed rapid-response back buttons, fully adjustable trigger stops, and Cinch Tech® game skill recognition technology. Cinch was looking for a way to incorporate a textured surface on the grips of their controllers to provide gamers with better feel and increased performance.

THE CHALLENGE

Find a material that provided a less sticky, more textured, grabby surface for gaming controllers.

THE SOLUTION

The SpeedMask® resin had excellent adhesion to the controllers and provided the non-sticky, textured feel the customer needed. An SG-100-RH spray gun and a BlueWave LED Flood completed the system.

THE RESULTS

The Dymax system solution enabled the customer to get a durable and tactile grip that is now being offered as an option on all Cinch controllers.
Cinch Grip Applied to Controller - Style 1Cinch Grip Applied to Controller - Style 2

Customer’s Challenge: The Problem

Over-the-counter rubber and adhesive products didn’t sufficiently bond to ABS materials enough to provide both a durable and tactile solution. Because gamers can use game controllers for extended periods of time, Cinch needed a product that could not only withstand extended use, but provide a comfortable and tactile grip experience as well.
Our Dymax Application Engineers recommended using light-curing adhesives to replace the current laser weld process.

Our Solution

The Dymax Application Engineering team recommended several light-curable coatings that would provide a strong bond with ABS plastic materials. Ultimately, a SpeedMask® resin was selected as the coating of choice because it was able to provide good “grip” without being sticky. A Dymax SG-100-RH spray gun was selected to apply the coating. This resulted in additional benefits as it allowed for the coating to be dispensed in a type of splatter pattern that created a more secure grip-like texture that gamers prefer. A Dymax BlueWave® LED Flood System was selected to cure the coating because it could cure it in a matter of seconds without risking damage to the surface of the controller.

The Results

The Dymax system solution enabled the creation of a durable and tactile grip that is used across a wide range of professional video game controllers. “Cinch Grip” is currently being offered as a new or retrofit option on all Cinch controllers.

Dymax SpeedMask resins are not intended for applications involving direct or prolonged contact between the skin and the resin, and Dymax has not tested or evaluated its SpeedMask resins for such applications. Dymax does not warrant that its SpeedMask resins are suitable for such applications, and it is the purchaser’s responsibility to test the suitability of any Dymax resin for the purchaser’s specific application. Should a purchaser choose to use a Dymax resin in an application similar to the one described above, purchaser does so at its own risk, and Dymax will not be held liable for any claim, damage or injury that allegedly arose, whether directly or indirectly, from contact between a complainant’s skin and a Dymax SpeedMask resin. Please refer to Dymax’s General Terms & Conditions of Sale.

Case History

A leading industrial electronics company, was looking to enhance quality, and increase production of their inverter PCBs. In their search for an environmentally friendly solvent free conformal coating they turned to the Dymax Application Engineering (AE) team for help.

THE CHALLENGE

Finding a solvent-free coating with a high dry thickness that will protect against corrosion caused by gas and salt.

Customer’s Challenge: The Problem

Our customer was developing a new industrial inverter model that required a high dry thickness of conformal coating to meet electric performance. The product they were using at the time was a solvent based coating with a low dry (25um/0.010 in) thickness. Air pollution and odor from solvent based coatings were also a huge concern as the employees’ health was at risk.

Our Solution

Committed to nurturing collaborative partnerships with our customers, our AE team worked closely with the customer to come up with an innovative solution to protect the PCBs from harsh environments. Our customer needed an environment-friendly conformal coating that does not crack, delaminate, or show signs of corrosion, while maintaining mechanical and electrical properties after testing. After researching and testing our customer’s parts, dual-cure 9482, a light-curable secondary moisture-cure coating, was recommended to ensure complete coating that flows underneath components on printed circuit boards. This conformal coating achieved a UL 94-V0 flammability rating up to 10 mils thick, which makes it ideal for environmental protection of PWBs, wire harnesses, electronic components, and other surfaces needing a protective coating. It passes thermal shock requirements from -55°C and up to 135°C at 10 mils, while protecting against moisture, condensation, dust, dirt, salts, chemicals, abrasion, thermal shock, mechanical shock, and other factors that can all affect circuit performance.
Dymax 9482 was ideal for the customer’s application as it is engineered for coating thicknesses up to 25 um (0.010 in) and becomes tack free immediately after UV curing, helping to avoid handling defects and reduce processing time and costs. In addition, it contains no nonreactive solvents and fluoresces vivid blue when exposed to UV light (365 nm) for easy post-cure inspection.
To speed curing time our application engineers suggested using a Dymax Edge Carry Conveyor system. The conveyor was customized to a 6 lamp system to optimize their production process. Rapid curing allowed the coated boards to swiftly move onto the next step in the manufacturing process with virtually no down/wait time.

The Results

Our customer was very satisfied with how our complete Dymax system solutions improved their process. 9482 provided the ideal coating with no cracking or delamination, while the customized conveyor cured the boards in seconds, allowing the customer to increase output by 30%.

Case History

A leading manufacturer of premium portable lighting, was looking to ruggedize its safety flashlights, which are used by fire fighters, police officers, and military troops in the field. In their search for a fast curing sealant with excellent adhesion properties, they turned to the Dymax Application Engineering team for help.

THE CHALLENGE

Finding a strong fast curing adhesive to ruggedize the lens and reflector housing.

A very happy customer that reduced its costs and increased its output because of the Dymax systems solutions.

Customer’s Challenge: The Problem

When the customer developed some new flashlights, they were looking for a way to ruggedize the lens and reflector housings by applying a sealant to bond the subassembly together. Their engineers needed the flashlights to withstand rough handling and extreme conditions in the field, and to work in a wide range of environments, such as search-and-rescue or life-threatening situations.

Our Solution

Dymax application engineers, always looking for the next challenge, worked closely with the customer’s team to come up with an innovative solution. After researching and testing our customer’s parts, Multi-Cure® 621-T was recommended to bond the glass lens to the reflector housing. The decision was made based on 621-T’s ability to adhere dissimilar materials, its fast cure, and excellent adhesion properties.
To bond the subassembly, the lens and reflector housing were placed into a small rotary system underneath a dispensing valve and 621-T was applied in a uniform bead into the bond line. Our application engineers suggested using a Dymax 2000-EC flood lamp to cure parts post-assembly, because it offered a large 8” x 8” curing area, as well as high-intensity curing in 5-30 seconds. The parts were assembled and then exposed to UV/visible light under the Dymax flood lamp.
Rapid curing allowed the bonded parts to swiftly move onto the next step in the manufacturing process with virtually no down/wait time.

The Results

Our customer was impressed with the technical expertise of our AE team. They were also very satisfied with Multi-Cure ® 621-T and with how our 2000-EC Flood Lamp enhanced their process by curing a large area in just a few seconds. Our solution enabled faster processing, greater output, and lower processing costs.

Case History

A world leader in electrical explosion protection and sensor technology, was looking to turn away from laser welding for an application that requires sealing two polycarbonates of their photoelectric sensors.

THE CHALLENGE

Finding an alternative solution to laser welding for bonding a PC –PCBA holder to a PC clear cover in a photoelectric sensor.

The customer improved their process by achieving better bonding and higher UPH.

Customer’s Challenge: The Problem

The customer was bonding PC covers to PC PCBAs by laser welding. However, they were unsatisfied with the results, as laser welding between PC and PC gives inconsistent bond results and lower units per hour (UPH). It also requires large laser weld equipment that take up a lot of floor space.
Our Dymax Application Engineers recommended using light-curing adhesives to replace the current laser weld process.

Our Solution

To support the customer in finding the most suitable light-curing adhesives and curing equipment for the process, our AE team tested several materials with customer parts in our laboratories and found that 3094-GEL-REV-A provided the best bonding strength when being cured with 5000-EC flood curing system. This curing system offers high-intensity curing energy over a 5x5 inch area. Also, 5-30 second cure times are typical when using Dymax light-curable materials.
Our Dymax application engineers optimized the process and provided the solutions to the customer, who was pleased with the test results and decided to put 3094-GEL-REV-A into their production qualification process.

The Results

The parts built with 3094-GEL-REV-A passed the customer’s reliability requirement for IP67 ingress protection, thermal cycling at -40°C to 70°C, and damp heat soaking at 70°C/90%RH. The customer was satisfied with the results and proceeded to qualify the low-stress active bonder 3094-GEL-REV-A to replace the laser welding process. Our Dymax solutions system provided them with faster UPH and reduced the production floor space.